(
self,
field: ModelField,
env_vars: dict[str, str | None],
env_file_vars: dict[str, str | None],
)
| 140 | return None |
| 141 | |
| 142 | def _explode_env_vars( |
| 143 | self, |
| 144 | field: ModelField, |
| 145 | env_vars: dict[str, str | None], |
| 146 | env_file_vars: dict[str, str | None], |
| 147 | ) -> dict[str, Any]: |
| 148 | if self.env_nested_delimiter is None: |
| 149 | return {} |
| 150 | |
| 151 | prefix = f"{field.name}{self.env_nested_delimiter}" |
| 152 | result: dict[str, Any] = {} |
| 153 | for env_name, env_val in env_vars.items(): |
| 154 | if not env_name.startswith(prefix): |
| 155 | continue |
| 156 | |
| 157 | # delete from file vars when used |
| 158 | env_file_vars.pop(env_name, None) |
| 159 | |
| 160 | _, *keys, last_key = env_name.split(self.env_nested_delimiter) |
| 161 | env_var = result |
| 162 | target_field: ModelField | None = field |
| 163 | for key in keys: |
| 164 | target_field = self._next_field(target_field, key) |
| 165 | env_var = env_var.setdefault(key, {}) |
| 166 | |
| 167 | target_field = self._next_field(target_field, last_key) |
| 168 | if target_field and env_val: |
| 169 | is_complex, allow_parse_failure = self._field_is_complex(target_field) |
| 170 | if is_complex: |
| 171 | try: |
| 172 | env_val = json.loads(env_val) |
| 173 | except ValueError as e: |
| 174 | if not allow_parse_failure: |
| 175 | raise SettingsError( |
| 176 | f'error parsing env var "{env_name}"' |
| 177 | ) from e |
| 178 | |
| 179 | env_var[last_key] = env_val |
| 180 | |
| 181 | return result |
| 182 | |
| 183 | def __call__(self) -> dict[str, Any]: |
| 184 | """从环境变量和 dotenv 配置文件中读取配置项。""" |
no test coverage detected